extension-section-1-background-2
| chrome.runtime.onConnect.addListener(port => { | |
| const tabId = port && port.sender && port.sender.tab.id | |
| if (port.name === 'hello') { | |
| enableIcon(tabId) | |
| } | |
| // disable icon when connection is closed | |
| port.onDisconnect.addListener(() => { | |
| disableIcon(tabId) | |
| }) | |
| }) |
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